A clinical trial testing cancer-fighting drugs that are inhaled helped Lola beat her cancer. A 9-year-old golden retriever is now cancer free thanks to a novel treatment that is currently in clinical trials. Side-by-sid images of Lola celebrating being cancer free and at the UC Davis Arboretum. (UC Davis School of Veterinary Medicine)"We thought we were going to lose her that summer," Roth said. She still gets regular check-ups at UC Davis, but so far, none of her tumors have returned.